﻿namespace MovieTracker
{
    using System;
    using System.Collections.Generic;
    using System.ComponentModel.Composition;
    using System.Linq;
    using System.Net;
    using System.Windows;
    using System.Windows.Controls;
    using System.Windows.Documents;
    using System.Windows.Input;
    using System.Windows.Media;
    using System.Windows.Media.Animation;
    using System.Windows.Navigation;
    using System.Windows.Shapes;

    using MovieTracker.Common.Contracts.Catalog;
    using MovieTracker.Common.NetFlixService;

    public partial class MainPage : UserControl, IPartImportsSatisfiedNotification
    {
        #region Constructors

        public MainPage()
        {
            InitializeComponent();
            CompositionInitializer.SatisfyImports(this);
        }

        #endregion Constructors

        #region Properties

        public GenreListModel GenreListModel
        {
            get; set;
        }

        [Import(AllowDefault = true, AllowRecomposition = true)]
        public IGenreService GenreService
        {
            get; set;
        }

        #endregion Properties

        #region Methods

        public void OnImportsSatisfied()
        {
            if(GenreService != null && GenreListModel == null)
            {
                GenreListModel = GenreService.GetList();
            }
        }

        // After the Frame navigates, ensure the HyperlinkButton representing the current page is selected
        private void ContentFrame_Navigated(object sender, NavigationEventArgs e)
        {
            foreach (UIElement child in LinksStackPanel.Children)
            {
                HyperlinkButton hb = child as HyperlinkButton;
                if (hb != null && hb.NavigateUri != null)
                {
                    if (hb.NavigateUri.ToString().Equals(e.Uri.ToString()))
                    {
                        VisualStateManager.GoToState(hb, "ActiveLink", true);
                    }
                    else
                    {
                        VisualStateManager.GoToState(hb, "InactiveLink", true);
                    }
                }
            }
        }

        // If an error occurs during navigation, show an error window
        private void ContentFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            e.Handled = true;
            ChildWindow errorWin = new ErrorWindow(e.Uri);
            errorWin.Show();
        }

        #endregion Methods
    }
}